Question

$(2x - 1) {}^{2}$
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Answer 1

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Q:-

$(2x - 1) {}^{2}$

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------>>>>Here is your answer<<<<--------

Here we use this formula:-

$⇛ {(a - b)}^{2} = {a}^{2} + {b}^{2} - 2ab$

now let's solve:-

$⇛ {(2x - 1)}^{2} = {(2x)}^{2} + {(1)}^{2} - 2(2x)(1) = 4 {x}^{2} + 1 - 4x✓$

HOPE IT HELPS YOU..

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Thankyou:)